cancer head 

A person who is addicted to cigarettes, or a person who chain smokes cigarettes(as in smokes them one immediatly after another)

"Didn't you just smoke a cigarette? You need to stop smoking those cancer sticks so much you cancer head."

cancer head by candice D May 14, 2005

Head Cancer 

Also affectionately known as Courtneyitis. It tends to slow your thinking process and is also 2 words. It also makes you more suseptable to problems with speach.

Hye man I gots that Cancer of Head that you been talkin' bout.

Head Cancer by Someperson October 10, 2003

testicular cancer in the head 

When a person has ideologies that are so fucking retarded that you lose braincells within being 5 feet of said person

"You have fucking got testicular cancer in the head you fucking retard." "Whoever the fuck gave birth to you is a dumbass cunt for not getting an abortion."

testicular cancer in the head by Birdisnottheword October 2, 2021

Headshot Cancer 

Used to refer to headshots in first/third person shooters, usually with a sniper rifle.

Player 1: *walking* BOOM *head goes off*

Player 2: lolz, i just gave that guy headshot cancer

Gamer 1: Dude, get the sniper and start causing some headshot cancer!

Headshot Cancer by Esher52 October 4, 2009